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-rw-r--r--net/mac80211/debugfs_sta.c181
1 files changed, 127 insertions, 54 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 8f5944c53d4e..6d47a1d31b37 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -33,25 +33,16 @@ static ssize_t sta_ ##name## _read(struct file *file, \
#define STA_READ_LU(name, field) STA_READ(name, 20, field, "%lu\n")
#define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n")
-#define STA_READ_RATE(name, field) \
-static ssize_t sta_##name##_read(struct file *file, \
- char __user *userbuf, \
- size_t count, loff_t *ppos) \
-{ \
- struct sta_info *sta = file->private_data; \
- struct ieee80211_local *local = wdev_priv(sta->dev->ieee80211_ptr);\
- struct ieee80211_hw_mode *mode = local->oper_hw_mode; \
- char buf[20]; \
- int res = scnprintf(buf, sizeof(buf), "%d\n", \
- (sta->field >= 0 && \
- sta->field < mode->num_rates) ? \
- mode->rates[sta->field].rate : -1); \
- return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
+#define STA_OPS(name) \
+static const struct file_operations sta_ ##name## _ops = { \
+ .read = sta_##name##_read, \
+ .open = mac80211_open_file_generic, \
}
-#define STA_OPS(name) \
+#define STA_OPS_WR(name) \
static const struct file_operations sta_ ##name## _ops = { \
.read = sta_##name##_read, \
+ .write = sta_##name##_write, \
.open = mac80211_open_file_generic, \
}
@@ -60,7 +51,7 @@ static const struct file_operations sta_ ##name## _ops = { \
STA_OPS(name)
STA_FILE(aid, aid, D);
-STA_FILE(dev, dev->name, S);
+STA_FILE(dev, sdata->dev->name, S);
STA_FILE(rx_packets, rx_packets, LU);
STA_FILE(tx_packets, tx_packets, LU);
STA_FILE(rx_bytes, rx_bytes, LU);
@@ -70,27 +61,23 @@ STA_FILE(rx_fragments, rx_fragments, LU);
STA_FILE(rx_dropped, rx_dropped, LU);
STA_FILE(tx_fragments, tx_fragments, LU);
STA_FILE(tx_filtered, tx_filtered_count, LU);
-STA_FILE(txrate, txrate, RATE);
-STA_FILE(last_txrate, last_txrate, RATE);
STA_FILE(tx_retry_failed, tx_retry_failed, LU);
STA_FILE(tx_retry_count, tx_retry_count, LU);
STA_FILE(last_rssi, last_rssi, D);
STA_FILE(last_signal, last_signal, D);
STA_FILE(last_noise, last_noise, D);
STA_FILE(channel_use, channel_use, D);
-STA_FILE(wep_weak_iv_count, wep_weak_iv_count, D);
+STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
char buf[100];
struct sta_info *sta = file->private_data;
- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s",
sta->flags & WLAN_STA_AUTH ? "AUTH\n" : "",
sta->flags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
sta->flags & WLAN_STA_PS ? "PS\n" : "",
- sta->flags & WLAN_STA_TIM ? "TIM\n" : "",
- sta->flags & WLAN_STA_PERM ? "PERM\n" : "",
sta->flags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
sta->flags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
sta->flags & WLAN_STA_WME ? "WME\n" : "",
@@ -111,31 +98,6 @@ static ssize_t sta_num_ps_buf_frames_read(struct file *file,
}
STA_OPS(num_ps_buf_frames);
-static ssize_t sta_last_ack_rssi_read(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- char buf[100];
- struct sta_info *sta = file->private_data;
- int res = scnprintf(buf, sizeof(buf), "%d %d %d\n",
- sta->last_ack_rssi[0],
- sta->last_ack_rssi[1],
- sta->last_ack_rssi[2]);
- return simple_read_from_buffer(userbuf, count, ppos, buf, res);
-}
-STA_OPS(last_ack_rssi);
-
-static ssize_t sta_last_ack_ms_read(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- char buf[20];
- struct sta_info *sta = file->private_data;
- int res = scnprintf(buf, sizeof(buf), "%d\n",
- sta->last_ack ?
- jiffies_to_msecs(jiffies - sta->last_ack) : -1);
- return simple_read_from_buffer(userbuf, count, ppos, buf, res);
-}
-STA_OPS(last_ack_ms);
-
static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
@@ -191,8 +153,120 @@ static ssize_t sta_wme_tx_queue_read(struct file *file, char __user *userbuf,
STA_OPS(wme_tx_queue);
#endif
+static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[768], *p = buf;
+ int i;
+ struct sta_info *sta = file->private_data;
+ p += scnprintf(p, sizeof(buf)+buf-p, "Agg state for STA is:\n");
+ p += scnprintf(p, sizeof(buf)+buf-p, " STA next dialog_token is %d \n "
+ "TIDs info is: \n TID :",
+ (sta->ampdu_mlme.dialog_token_allocator + 1));
+ for (i = 0; i < STA_TID_NUM; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%5d", i);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n RX :");
+ for (i = 0; i < STA_TID_NUM; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
+ sta->ampdu_mlme.tid_state_rx[i]);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
+ for (i = 0; i < STA_TID_NUM; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
+ sta->ampdu_mlme.tid_state_rx[i]?
+ sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n TX :");
+ for (i = 0; i < STA_TID_NUM; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
+ sta->ampdu_mlme.tid_state_tx[i]);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
+ for (i = 0; i < STA_TID_NUM; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
+ sta->ampdu_mlme.tid_state_tx[i]?
+ sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n SSN :");
+ for (i = 0; i < STA_TID_NUM; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
+ sta->ampdu_mlme.tid_state_tx[i]?
+ sta->ampdu_mlme.tid_tx[i]->ssn : 0);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+
+static ssize_t sta_agg_status_write(struct file *file,
+ const char __user *user_buf, size_t count, loff_t *ppos)
+{
+ struct sta_info *sta = file->private_data;
+ struct net_device *dev = sta->sdata->dev;
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_hw *hw = &local->hw;
+ u8 *da = sta->addr;
+ static int tid_static_tx[16] = {0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0};
+ static int tid_static_rx[16] = {1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1};
+ char *endp;
+ char buf[32];
+ int buf_size, rs;
+ unsigned int tid_num;
+ char state[4];
+
+ memset(buf, 0x00, sizeof(buf));
+ buf_size = min(count, (sizeof(buf)-1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+
+ tid_num = simple_strtoul(buf, &endp, 0);
+ if (endp == buf)
+ return -EINVAL;
+
+ if ((tid_num >= 100) && (tid_num <= 115)) {
+ /* toggle Rx aggregation command */
+ tid_num = tid_num - 100;
+ if (tid_static_rx[tid_num] == 1) {
+ strcpy(state, "off ");
+ ieee80211_sta_stop_rx_ba_session(dev, da, tid_num, 0,
+ WLAN_REASON_QSTA_REQUIRE_SETUP);
+ sta->ampdu_mlme.tid_state_rx[tid_num] |=
+ HT_AGG_STATE_DEBUGFS_CTL;
+ tid_static_rx[tid_num] = 0;
+ } else {
+ strcpy(state, "on ");
+ sta->ampdu_mlme.tid_state_rx[tid_num] &=
+ ~HT_AGG_STATE_DEBUGFS_CTL;
+ tid_static_rx[tid_num] = 1;
+ }
+ printk(KERN_DEBUG "debugfs - try switching tid %u %s\n",
+ tid_num, state);
+ } else if ((tid_num >= 0) && (tid_num <= 15)) {
+ /* toggle Tx aggregation command */
+ if (tid_static_tx[tid_num] == 0) {
+ strcpy(state, "on ");
+ rs = ieee80211_start_tx_ba_session(hw, da, tid_num);
+ if (rs == 0)
+ tid_static_tx[tid_num] = 1;
+ } else {
+ strcpy(state, "off");
+ rs = ieee80211_stop_tx_ba_session(hw, da, tid_num, 1);
+ if (rs == 0)
+ tid_static_tx[tid_num] = 0;
+ }
+ printk(KERN_DEBUG "debugfs - switching tid %u %s, return=%d\n",
+ tid_num, state, rs);
+ }
+
+ return count;
+}
+STA_OPS_WR(agg_status);
+
#define DEBUGFS_ADD(name) \
- sta->debugfs.name = debugfs_create_file(#name, 0444, \
+ sta->debugfs.name = debugfs_create_file(#name, 0400, \
sta->debugfs.dir, sta, &sta_ ##name## _ops);
#define DEBUGFS_DEL(name) \
@@ -203,12 +277,13 @@ STA_OPS(wme_tx_queue);
void ieee80211_sta_debugfs_add(struct sta_info *sta)
{
struct dentry *stations_dir = sta->local->debugfs.stations;
- DECLARE_MAC_BUF(mac);
+ DECLARE_MAC_BUF(mbuf);
+ u8 *mac;
if (!stations_dir)
return;
- print_mac(mac, sta->addr);
+ mac = print_mac(mbuf, sta->addr);
sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
if (!sta->debugfs.dir)
@@ -216,28 +291,26 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DEBUGFS_ADD(flags);
DEBUGFS_ADD(num_ps_buf_frames);
- DEBUGFS_ADD(last_ack_rssi);
- DEBUGFS_ADD(last_ack_ms);
DEBUGFS_ADD(inactive_ms);
DEBUGFS_ADD(last_seq_ctrl);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_ADD(wme_rx_queue);
DEBUGFS_ADD(wme_tx_queue);
#endif
+ DEBUGFS_ADD(agg_status);
}
void ieee80211_sta_debugfs_remove(struct sta_info *sta)
{
DEBUGFS_DEL(flags);
DEBUGFS_DEL(num_ps_buf_frames);
- DEBUGFS_DEL(last_ack_rssi);
- DEBUGFS_DEL(last_ack_ms);
DEBUGFS_DEL(inactive_ms);
DEBUGFS_DEL(last_seq_ctrl);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_DEL(wme_rx_queue);
DEBUGFS_DEL(wme_tx_queue);
#endif
+ DEBUGFS_DEL(agg_status);
debugfs_remove(sta->debugfs.dir);
sta->debugfs.dir = NULL;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.